11783715851 has 2 divisors, whose sum is σ = 11783715852. Its totient is φ = 11783715850.

The previous prime is 11783715821. The next prime is 11783715863. The reversal of 11783715851 is 15851738711.

It is a strong prime.

It is an emirp because it is prime and its reverse (15851738711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11783715851 - 2²⁶ = 11716606987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11783715796 and 11783715805.

It is not a weakly prime, because it can be changed into another prime (11783715821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5891857925 + 5891857926.

It is an arithmetic number, because the mean of its divisors is an integer number (5891857926).

Almost surely, 2^11783715851 is an apocalyptic number.

11783715851 is a deficient number, since it is larger than the sum of its proper divisors (1).

11783715851 is an equidigital number, since it uses as much as digits as its factorization.

11783715851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235200, while the sum is 47.

The spelling of 11783715851 in words is "eleven billion, seven hundred eighty-three million, seven hundred fifteen thousand, eight hundred fifty-one".